DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 78 (Motor Generator Control System (AWD) - Diagnostic Codes (1 Of 5)) >> MOTOR GENERATOR CONTROL SYSTEM (for AWD) >> DTC P0A45-21: Drive Motor "B" Position Sensor Signal Amplitude < Minimum; DTC P0A45-22: Drive Motor "B" Position Sensor Signal Amplitude > Maximum [12/2019 - 11/2023] >> Description

DTC P0A45-21: Drive Motor "B" Position Sensor Signal Amplitude < Minimum; DTC P0A45-22: Drive Motor "B" Position Sensor Signal Amplitude > Maximum [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

Refer to the system description for the Rear Motor Resolver Circuit.

Refer to SYSTEM DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A45-21 Drive Motor "B" Position Sensor Signal Amplitude < Minimum Open or short in rear motor resolver circuit:
The rear motor resolver signal is out of the standard range.
(Signal amplitude is small)
(1 trip detection logic)
  • Inverter with converter assembly
  • Rear traction motor with transaxle assembly
  • Wire harness or connector
Comes on Master Warning:
Comes on
P0A45-22 Drive Motor "B" Position Sensor Signal Amplitude > Maximum Rear motor resolver out of range:
The rear motor resolver signal is out of the standard range.
(Signal amplitude is large)
(1 trip detection logic)
  • Inverter with converter assembly
  • Rear traction motor with transaxle assembly
  • Wire harness or connector
Comes on Master Warning:
Comes on